| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 16 | SLC | BOS | 18:45 | 00:55 |
Delayed
|
Track > |
| Oct 15 | SLC | BOS | 17:35 | 23:30 |
Landed
|
Track > |
| Oct 14 | SLC | BOS | 18:03 | 23:44 |
Landed
|
Track > |
| Oct 13 | SLC | BOS | 17:35 | 23:18 |
Landed
|
Track > |
| Oct 12 | SLC | BOS | 18:18 | 00:10 |
Landed
|
Track > |
| Oct 10 | SLC | BOS | 18:29 | 00:27 |
Landed Late
|
Track > |
| Oct 09 | SLC | BOS | 18:15 | 00:17 |
Landed Late
|
Track > |
| Oct 08 | SLC | BOS | 18:20 | 00:23 |
Landed Late
|
Track > |
| Oct 07 | SLC | BOS | 20:13 | 02:07 |
Delayed
|
Track > |
| Oct 06 | SLC | BOS | 17:57 | 23:57 |
Landed
|
Track > |
Korean Air Flight KE3999 connects Salt Lake City, United States to Boston, United States, taking off from Salt Lake City International Airport SLC and landing at Boston Logan International Airport BOS.
How long is the KE3999 flight from Salt Lake City to Boston?
The average flight time from Salt Lake City to Boston is 3 hours and 55 minutes. The flight distance is 3379 km / 2100 miles and the average flight speed is 861 km/h / 535 mph.
How many KE3999 flights are operated per week?
5 flights per week. The flight KE3999 is operated on Monday, Tuesday, Wednesday, Thursday and Friday.
What is the On-Time Performance (OTP) of Korean Air Flight KE3999 Salt Lake City to Boston?
The Airportia On-Time Performance Rating for Korean Air Flight KE3999 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KE3999 arriving at?
Flight KE3999 arrives at Boston Logan International Airport (BOS) Terminal A.
When was the latest KE3999 flight?
The latest flight took off on Saturday, October 17th, 2026 with the flight status being En-Route on 00:55.
How else can the flight KE3999 be referenced as?
This Korean Air flight can also be referenced as KAL3999, KE 3999, KAL 3999.
How often is flight KE3999 delayed?
On average, 60% of all KE3999 flights are delayed. The average delay is 44 minutes.
Can I get compensation for my delayed or cancelled KE3999 flight or baggage issues?
If your KE3999 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our KE3999 Flight Tracker above for more details.
Other flights departing from Salt Lake City SLC: DL702, OO3937, OO4263, AA1873
Other flights arriving at Boston BOS: AS460, UA1356, MQ3346, AA3346
All flights connecting Salt Lake City SLC to Boston BOS.
